產(chǎn)品簡介
詳細(xì)介紹
TE132 ? ?
ISO 3334 (DIN19051) Test pattern No. 2(1-18 LP/mm ? sheet with 12 patterns)
This chart is designed for resolution
measurements. Five pairs of lines (black
and white) with frequencies from 1-18 line
pairs per millimeter are printed on a white
background. The patterns are ordered
counterclockwise in decreasing resolution on
the chart.